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<h1 class="topictitle1">数据库拓扑结构不一致导致GBase恢复任务失败</h1>
<div><div class="section"><h4 class="sectiontitle">问题现象</h4><p>执行GBase增量副本新位置恢复失败，失败事件的错误码“1577212932”。</p>
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<div class="section"><h4 class="sectiontitle">可能原因</h4><p>备份副本与恢复目标位置的数据库拓扑结构不一致。</p>
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<div class="section"><h4 class="sectiontitle">处理步骤</h4><ol><li><span>分别登录备份副本和恢复目标位置数据库。执行以下命令，切换到数据库视图。</span><p><pre class="screen">su - <em>数据库用户名</em></pre>
<pre class="screen">gccli</pre>
</p></li><li><span>分别在两个数据库中执行以下命令，查看节点信息。</span><p><pre class="screen">show nodes;</pre>
<p>查看回显信息的<strong>primary part</strong>和<strong>duplicate part</strong>参数信息，比较两个数据库的参数信息是否一致：</p>
<p><span><img src="zh-cn_image_0000002200098049.png"></span></p>
<ul><li>不一致，表示两个数据库拓扑结构不同，用户需要确保两个数据库的拓扑结构相同。</li><li>一致，请联系华为技术支持工程师协助处理。</li></ul>
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